<template>
  <div class="app-container">
    <el-form
      v-show="showSearch"
      ref="queryForm"
      :model="queryParams"
      size="small"
      :inline="true"
      label-width="68px"
    >
      <el-form-item label="姓名" prop="stuName">
        <el-input
          v-model="queryParams.stuName"
          placeholder="请输入姓名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="学号" prop="stuId">
        <el-input
          v-model="queryParams.grade"
          placeholder="请输入学号"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
        >搜索</el-button>
        <el-button
          icon="el-icon-refresh"
          size="mini"
          @click="resetQuery"
        >重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['system:info:add']"
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['system:info:edit']"
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['system:info:remove']"
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
        >删除</el-button>
      </el-col>
      <!-- <el-col :span="1.5">
        <el-button
          v-hasPermi="['system:info:export']"
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
        >导出</el-button>
      </el-col> -->
      <right-toolbar
        :show-search.sync="showSearch"
        @queryTable="getList"
      />
    </el-row>

    <el-table
      v-loading="loading"
      :data="infoList"
      height="550px"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="姓名" align="center" prop="stuName" />
      <el-table-column label="学号" align="center" prop="grade" />
      <!-- <el-table-column label="学号" align="center" prop="stuId" /> -->
      <el-table-column label="照片" align="center">
        <template slot-scope="scope">
          <img :src="scope.row.imgUrl" class="stu-img">
        </template>
      </el-table-column>
      <!-- <el-table-column label="照片URL" align="center" prop="imgUrl" /> -->
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            v-hasPermi="['system:info:edit']"
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
          >修改</el-button>
          <el-button
            v-hasPermi="['system:info:remove']"
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改学生信息对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="姓名" prop="stuName">
          <el-input v-model="form.stuName" placeholder="请输入姓名" />
        </el-form-item>
        <el-form-item label="学号" prop="grade">
          <el-input v-model="form.grade" placeholder="请输入学号" />
        </el-form-item>
        <el-form-item label="照片" prop="imgUrl">
          <div class="text-center">
            <div v-if="oprType === 'edit'" style="display: flex;">
              <div v-if="form.imgUrl">
                <img :src="form.imgUrl" class="img">
                <div>当前照片，点击可修改</div>
              </div>
              <div v-else style="position: absolute;top: 40px;text-decoration: underline;color: #46a6ff">无照片，点击可上传</div>
              <imgUpload ref="imgRef" style="position: absolute;" />
            </div>
            <span v-else style="color: red; margin-left: -100px">
              请添加完学生后再点击[修改]上传照片
            </span>
          </div>
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input
            v-model="form.remark"
            type="textarea"
            placeholder="请输入内容"
          />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  studentInfo,
  getInfo,
  delInfo,
  addInfo,
  updateInfo
} from '@/api/system/studentInfo'
import imgUpload from './imgUpload'

export default {
  name: 'Info',
  components: { imgUpload },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 学生信息表格数据
      infoList: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        stuName: null,
        imgUrl: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {},
      oprType: 'add'
    }
  },
  created() {
    this.getList()
  },
  methods: {
    /** 查询学生信息列表 */
    getList() {
      this.loading = true
      studentInfo(this.queryParams).then((response) => {
        this.infoList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        stuId: null,
        stuName: null,
        imgUrl: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null,
        grade: null
      }
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm('queryForm')
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.stuId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = '添加学生信息'
      this.oprType = 'add'
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      this.oprType = 'edit'
      this.form.imgUrl = null
      const stuId = row.stuId || this.ids
      getInfo(stuId).then((response) => {
        this.form = response.data
        this.open = true
        this.$refs.imgRef.options.img = null
        this.title = '修改学生信息'
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs['form'].validate((valid) => {
        if (valid) {
          if (this.form.stuId != null) {
            this.form.imgUrl = this.$refs.imgRef.options.img
            updateInfo(this.form).then((response) => {
              this.$modal.msgSuccess('修改成功')
              this.open = false
              this.getList()
            })
          } else {
            addInfo(this.form).then((response) => {
              this.$modal.msgSuccess('新增成功')
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const stuIds = row.stuId || this.ids
      this.$modal
        .confirm('是否确认删除学生信息编号为"' + stuIds + '"的数据项？')
        .then(function() {
          return delInfo(stuIds)
        })
        .then(() => {
          this.getList()
          this.$modal.msgSuccess('删除成功')
        })
        .catch(() => {})
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        'system/studentInfo/export',
        {
          ...this.queryParams
        },
        `info_${new Date().getTime()}.xlsx`
      )
    }
  }
}
</script>

<style lang="scss" scoped>
.stu-img {
  cursor: pointer;
  width: 60px;
  height: 60px;
  border-radius: 10px;
}

.img {
  border-radius: 50%;
    width: 120px;
    height: 120px;
}
</style>
